From October 12 to October 18, our Sanshan's technicians conducted field tests on the 2.0 version of 76T45,89T45 thread button bit in miaogou iron mine, qinhuangdao, hebei province. The customer gave a good evaluation on our 76T45,89T45, thread button bit, and the test results were very satisfactory.From the final failure of the bit bits, our company's 76T45 bit bit is the last late failure, which further explains our company's quality control has achieved certain results! In the attitude of continuous improvement, our company's technical center will immediately put forward a series of change plans for some problems found in this test, and will launch 3.0 version of 76T45,89T45 thread bit as soon as possible. our Sanshan with Epiroc Technol0gy,Outstanding,Because of being professional...